@charset "UTF-8" 
* {
    margin: 0;
    padding: 0;    
}
/* 脉冲动画 */
@keyframes pulse{
    0% {}
    50%{
        width: 15px;
        height: 15px;
    }
    100%{
        width: 32px;
        height: 32px;
    }

}
.map {  
    position: relative;
    width: 848px;
    height: 701px; 
    margin: 0 auto; 
}
.map .city {
    position: absolute; 
    width: 6px;
    height: 6px; 
}
.map .city .spot {
    width: 6px;
    height: 6px;
    background-color: #007ACC;
    border-radius: 50%;
}

/* 热点绝对定位 */
.map .bj {
    top: 262px;
    left: 634px;
}
.map .jx {
    top: 514px;
    left: 642px;
}
.map .tw {
    top: 581px;
    left: 744px;
}
/* 脉冲水平垂直居中对齐 */
.map .city div[class^="pulse"] {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    transform: translate(-50%,-50%);
    box-shadow: 0 0 8px #009dfd;
    border-radius: 50px;
    animation: pulse 0.9s linear infinite alternate;
}
/* 脉冲延时 */
.map .city div.pulse2{
    animation-delay: 0.3s;
}
.map .city div.pulse3{
    animation-delay: 0.6s;
}